56970481 has 2 divisors, whose sum is σ = 56970482. Its totient is φ = 56970480.

The previous prime is 56970461. The next prime is 56970521. The reversal of 56970481 is 18407965.

It is an a-pointer prime, because the next prime (56970521) can be obtained adding 56970481 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 4769856 = 7225^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 56970481 - 2⁵ = 56970449 is a prime.

It is a super-2 number, since 2×56970481² = 6491271410742722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56970421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28485240 + 28485241.

It is an arithmetic number, because the mean of its divisors is an integer number (28485241).

Almost surely, 2^56970481 is an apocalyptic number.

It is an amenable number.

56970481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56970481 is an equidigital number, since it uses as much as digits as its factorization.

56970481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 56970481 is about 7547.8792385676. The cubic root of 56970481 is about 384.7836666239.

The spelling of 56970481 in words is "fifty-six million, nine hundred seventy thousand, four hundred eighty-one".